<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body {
            background-color: black;
            display: flex;
        }

        .box {
            width: 200px;
            height: 200px;
            background-color: white;
            padding: 10px;
            box-sizing: border-box;
            margin: 20px;
            border-radius: 10px;
        }

        .countent {
            width: 100%;
            height: 100%;
            display: flex;
        }

        .box-yidian {
            flex-flow: column nowrap;
            justify-content: center;
            align-items: center;
        }

        .yidian {
            width: 50px;
            height: 50px;
            background-color: black;
            border-radius: 50%;
        }

        .box-erdian {
            justify-content: space-between;
        }

        .box-erdian>div:nth-child(2) {
            align-self: flex-end;
        }

        .box-sandian {
            justify-content: space-between
        }

        .box-sandian>div:nth-child(2) {
            align-self: center;
        }

        .box-sandian>div:nth-child(3) {
            align-self: end;
        }

        .box-sidian {
            flex-direction: column;
            justify-content: space-between;
        }

        .dian {
            display: flex;
            justify-content: space-between;
        }

        .box-wudian>.yidian {
            align-self: center;
        }

        .box-liudian {
            flex-direction: column;
            justify-content: space-between;
            align-items: center;
        }

        .box-liudian .dian>.yidian {
            margin-left: 15px;
        }
    </style>
</head>

<body>
    <div class="box">
        <div class="countent box-yidian">
            <div class="yidian"></div>
        </div>
    </div>
    <div class="box">
        <div class="countent box-erdian">
            <div class="yidian"></div>
            <div class="yidian"></div>
        </div>
    </div>
    <div class="box">
        <div class="countent box-sandian">
            <div class="yidian"></div>
            <div class="yidian"></div>
            <div class="yidian"></div>
        </div>
    </div>
    <div class="box">
        <div class="countent box-sidian">
            <div class="dian">
                <div class="yidian"></div>
                <div class="yidian"></div>
            </div>
            <div class="dian">
                <div class="yidian"></div>
                <div class="yidian"></div>
            </div>
        </div>
    </div>
    <div class="box">
        <div class="countent box-sidian box-wudian">
            <div class="dian">
                <div class="yidian"></div>
                <div class="yidian"></div>
            </div>
            <div class="yidian"></div>
            <div class="dian">
                <div class="yidian"></div>
                <div class="yidian"></div>
            </div>
        </div>
    </div>
    <div class="box">
        <div class="countent box-liudian">
            <div class="dian">
                <div class="yidian"></div>
                <div class="yidian"></div>
            </div>
            <div class="dian">
                <div class="yidian"></div>
                <div class="yidian"></div>
            </div>
            <div class="dian">
                <div class="yidian"></div>
                <div class="yidian"></div>
            </div>
        </div>
    </div>

</body>

</html>